Correlation: Pearson vs. Spearman
Автор: StatistikinDD
Загружено: 2020-07-02
Просмотров: 64336
Описание:
How do correlation analyses work? What is the difference between the parametric Pearson correlation and the nonparametric Spearman's Rank correlation? In a practical example the two analyses yield opposite results: One is significantly positive, the other significantly negative. This surprising result is explained graphically and by looking at the data set, but without using any mathematical formulas. After two influential outliers are excluded, the two coefficients arrive at the same result.
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